Hydrocarbon motor



G. F. LYNN HYDROCARBON MOTOR.

APPLlCATlON FILED JAN. 3|. 1918.

Patented Sept. 30, 1919.

2 SHEETSSHEET l- F e I F I G. F. LYNN.

HYDROCARBON MOTOR.

APPLICATION FILED JAN. 31. 191B.

Patented Sept, 80, 1919.

2 SHEETSSHEET 2.

\HE coLunmlA PLANOGRAPH c0. WASHINGTON l1. c4

UNITED STATES PATENT OFFICE.

GEORGE F. LYNN, OF DETROIT, MICHIGAN, ASSIGNOR'TO PACKARD MOTOR CAR COMPANY, OF DETROIT, MICHIGAN, A CORPORATION OF MICHIGAN.

HYDROCARIBON-MOTOR.

Original application filed July 19, 1917, Serial No. 181,527.

Specification of Letters Patent.

1918. Serial No. 214,764.

To all whom it may concern:

Be it known that I, GEORGE F. LYNN, a citizen of the United States, and resident of Detroit, l/Vayne county, State of Michigan, have invented certain new and useful Improvements in Hydrocarbon Motors, of which the following is a specification.

This application is a division of my copending application Serial No. 181,527 filed July 19, 1917.

One of the objects of the invention is to form a motor cylinder of particularly light construction while at the same time providing strength and rigidity and ability to withstand high heat.

Other objects of the invention will appear from the following description taken in connection with the drawings which form a part of this specification, and in which Figure 1 is an elevation of a drop forged blan'k from which the cylinder proper of a motor cylinder may be machined;,

Fig. 2 is an elevation of a portion of the cylinder blank shown in Fig. 1 after it has been machined;

F ig. 3 is a section on the line 33 of Fig. 2;

Fig. 4. is a view similar to Fig. 2 showing the machined flange on the cylinder bent over or downwardly;

Fig. 5 is a section on the line 5-5 of gv Fig. 6 is a perspective view of a two-part anvil or tool used in bending over the flange on the cylinder;

Fig. 7 shows the anvil in position on the cylinder ready to have the flange bent over it;

Fig. 8 is similar to Fig. 7 except that the flange has been bent over the anvil;

Fig. 9 is a vertical section of an inverted cylinder with its jacket thereon ready to be welded;

Fig. 10 is similar to Fig. 9 eXce t that the welding operation has been per ormed for joining the acket to the cylinder; and

Fig. 11 is a vertical section of two cylinders 5 joined together with a single jacket around them.

For the purpose of obtaining a very strong cylinder, the cylinder proper of this invention is preferably formed from a steel drop forging such as illustrated in Fig. 1. This cylinder blank is indicated at B and it has a main body portion 20 at the lower end of which is roughly formed a flange 21 and at the upper end of which is a head 22 having suitable bosses 23 and 24 to which other parts of the cylinder may be welded or otherwise secured in making a finished motor cylinder. At a suitable point along the body of the cylinder a radial flange 25 is roughly formed.

It will be understood that the blank shown in Fig. 1 is bored out and the exterior is machined so that a comparatively thin cylinder wall is obtained throughout its length. A portion of the machined cylinder is shown in Fig. 2. The flange 25 thereof is of substantially uniform thickness instead of being tapered as was necessary in the forging. Strengthening ribs 26 are left on the cylinder. If the cylinder is to be used with a separate water jacket, the flange 25 will be the same width throughout, but in Figs. 2 and 3 the flange is extended somewhat on one side of the cylinder as shown particularly at 27 in Fig. 8. This extended part gives an irregular shape to the flange, part of its outer edge being straight at 28 and notches 29 are cut in it to assist in bending the flange downwardly as hereinafter described. The thickness of the flange 25 depends largely upon the thickness of the sheet metal water jacket which is to surround the cylinder and to be connectedto the flange. It is desirable that the outer part of the flange at least should be substan tially the same thickness as the said jacket. The outer part of the flange 25 shown in Figs. 2 and 3 is now bent over or downwardly as shown in Figs. 4 and 5. If the flange is to be circular this shape may be obtained by the original machining operation but with the irregular shape of flange shown in Fig. 5, used to permit two cylinders to be brought closely together, the flange is preferably formed radially as shown in Fig. 2 and then bent over by the use of suitable tools.

Fig. 6 illustrates in perspective a two part tool 30 which may be used for bending over the flange. This tool colmprises blocks 31 and 32 pivotally connected together by a link 33 and detachably connected at their other ends by a bolt 34.. The upper portions of the blocks form an anvil 35 of the desired shape of the down-turned flange and these blocks are clamped about the cylinder directly beneath the flange 25 as shown in Fig. 7 In Fig. 8 the flange has been hammered or otherwise bent doyvn over the anvil 35 and the bent portion 36 of the flange forms a skirt to which the sheet metal water jacket above referred to may be se- V in juxtaposition to the end of the shirt 36.

These two pieces of metal are of substantially the same thickness and they are ad vantageously positioned for applying a welding heat without too greatly heating the body of the cylinder. In Fig. 10 the welding has been applied at 39 to the ends of the jacket and skirt and those two parts have been welded together.

In Fig. 11, two cylinders B are shown and they are arranged so closely together that the straight part l0 of the skirt 36 of one cylinder is in contact with the straight part of the skirt of the adjacent cylinder. These straight parts of the skirts may be heated and thereby welded together and a single jacket37 is then placed around both of the cylinders and welded to the curved parts of the skirts in the manner illustrated in Figs. 9 and 10. The cylinders may also'be welded together at their bases where their flanges 25 come together as shown; in Fig. 11.

But a single form of the invention is shown and described herein. However it will be understood that other forms and modifications may be made without departing from the spirit or scope of the invention. Having thus described my invention, what I claim and desire to secure by. Letters Patent is r i LA motor cylinder block comprising two or more cylinders formed with radial flanges integral with the bodies of the cylinflopiestt this patent may lie obtained for five cents .ea'ch, by addressing Washington, D. 0."

ders and having down-turned outer forming skirts, portions of the skirts ofadjacent cylinders being welded together, and a forming a depending skirt thereon, a jacket about said cylinder and flange andhaving its lower end Welded to the, down-turned skirt'of said flange.

'3. A motor cylinder block comprising two and having an outer bent-down portion or more cylinders formed with radial flanges V integral with the bodies of the respective cyllnders and a water jacket surrounding .said cylinders and said flanges, the outer part of the flanges being of substantially the same thickness as the jacket, portions of the flanges of adjacent cylinders being rigidly connected and the unconnected portions being welded to said. water jacket.

4. A motor cylinder block comprising two or more cylinders formed with radial flanges having their borders turned down forming skirts, said flanges being irregular in outline, having curved and straight portions the straight portions of the flanges of adj acent cylinders being welded together, and a jacket surrounding said cylinders and'said flanges, and welded to the curved portions of said flanges. V

V 5.. A motor cylinder block comprising two or more cylinders: formed with radial flanges integral with the bodies of the" respective cylinders and of irregular shape, some portions straight and others curved, the borders of said'flanges being turned-down to form skirts, the straight portions of the skirts of adjacent cylinders being welded together, and a jacket surrounding said cylinders and said flanges and'wel'ded to the cu rvedpor-v tions of said skirts.

In testimony whereof I aflix signature. (mo ten F. LYNN. 7 V

thejco'mmi s si oner of Patents. 

